參數(shù)資料
型號: REF191ES-REEL
廠商: ANALOG DEVICES INC
元件分類: 基準電壓源/電流源
英文描述: Precision Micropower, Low Dropout Voltage References
中文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.048 V, PDSO8
封裝: MS-012AA, SOIC-8
文件頁數(shù): 3/28頁
文件大?。?/td> 407K
代理商: REF191ES-REEL
REF19x Series
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—REF191 @ T
A
= 25°C
@ V
S
= 3.3 V, T
A
= 25°C, unless otherwise noted.
Table 2.
Parameter
Mnemonic
INITIAL ACCURACY
1
E Grade
V
O
F Grade
G Grade
LINE REGULATION
2
E Grade
ΔV
O
/ΔV
IN
F and G Grades
LOAD REGULATION
2
E Grade
ΔV
O
/ΔV
LOAD
F and G Grades
DROPOUT VOLTAGE
V
S
V
O
LONG-TERM STABILITY
3
DV
O
NOISE VOLTAGE
e
N
1
Initial accuracy includes temperature hysteresis effect.
2
Line and load regulation specifications include the effect of self-heating.
3
Long-term stability specification is noncumulative. The drift in subsequent 1000-hour periods is significantly lower than in the first 1000-hour period.
Rev. I | Page 3 of 28
Condition
I
OUT
= 0 mA
3.0 V ≤ V
S
≤ 15 V, I
OUT
= 0 mA
V
S
= 5.0 V, 0 mA ≤ I
OUT
≤ 30 mA
V
S
= 3.15 V, I
LOAD
= 2 mA
V
S
= 3.3 V, I
LOAD
= 10 mA
V
S
= 3.6 V, I
LOAD
= 30 mA
1000 hours @ 125°C
0.1 Hz to 10 Hz
Min
2.046
2.043
2.038
Typ
2.048
2
4
4
6
1.2
20
Max
2.050
2.053
2.058
4
8
10
15
0.95
1.25
1.55
Unit
V
V
V
ppm/V
ppm/V
ppm/mA
ppm/mA
V
V
V
mV
μV p-p
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